feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

mobile/lib/shared/widgets/tappable_flapping_bee.dart

@@ -0,0 +1,64 @@
+import 'dart:math' show cos, pi;
+
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+import '../l10n/l10n.dart';
+import 'flapping_bee.dart';
+
+/// The Buzz mark with wings that flutter twice when the user taps it.
+///
+/// The geometry and wing tuck match the desktop loading bee. When reduced
+/// motion is enabled, the mark stays static.
+class TappableFlappingBee extends HookConsumerWidget {
+  /// The rendered width of the complete bee mark.
+  final double width;
+
+  /// The color used for the bee silhouette.
+  final Color color;
+
+  const TappableFlappingBee({
+    required this.width,
+    required this.color,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final animation = useAnimationController(
+      duration: const Duration(milliseconds: 480),
+    );
+    final reducedMotion = MediaQuery.disableAnimationsOf(context);
+
+    void flutterWings() {
+      if (reducedMotion) return;
+      animation.forward(from: 0);
+    }
+
+    return Semantics(
+      button: true,
+      label: context.l10n.buzzBee,
+      hint: context.l10n.buzzBeeHint,
+      onTap: flutterWings,
+      child: GestureDetector(
+        behavior: HitTestBehavior.opaque,
+        excludeFromSemantics: true,
+        onTap: flutterWings,
+        child: RepaintBoundary(
+          child: AnimatedBuilder(
+            animation: animation,
+            builder: (context, _) {
+              final flapAmount = 0.5 - (0.5 * cos(animation.value * 4 * pi));
+              return FlappingBee(
+                width: width,
+                color: color,
+                flapAmount: flapAmount,
+              );
+            },
+          ),
+        ),
+      ),
+    );
+  }
+}